Window guard for tractors



FIG. 1 is a perspective view of the window guard for tractors, as installed on a tractor, showing the inventive design thereof;

FIG. 2 is another perspective view thereof;

FIG. 3 is a back view thereof:

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a first side view thereof;

FIG. 7 is a side view opposite the side view of FIG. 6; and,

FIG. 8 is a front view thereof. 

CLAIM An ornamental design for a window guard for tractors, as shown and described. 